GiveRate / All records / Forbes 400 (Sept. 2026) / Robert Duggan
Robert Duggan
Under 1%
Robert Duggan has given an estimated under 1% of current net worth ($13.4B), based on Forbes' philanthropy score.
- GiveRate
- Under 1%
- Net worth
- $13.4B
- Stated lifetime giving
- Not stated
- Forbes 400
- #96 · Pharmaceuticals · Miami, Florida
- Status
- Source-reported range
- Sources
- Forbes 400 profile · Sept. 2026
The math
Forbes philanthropy score 1 of 5: lifetime giving is under 1% of current net worth. The range is Forbes' own banding; GiveRate shows it as published. The profile also cites $0.36B (to Church of Scientology, per Duggan), which looks partial or uses a different definition, so the range is shown instead.
Profile
- Age
- 82
- Residence
- Miami, Florida
- Industry
- Healthcare
- Source of wealth
- Pharmaceuticals
- Self-made
- Yes
- One-year change
- $15.4B (#68) in Sept. 2025 to $13.4B (#96) in Sept. 2026, a drop of 13%.
What the range means in dollars
Forbes gives Robert Duggan a philanthropy score of 1 out of 5, meaning lifetime giving equals under 1% of current net worth. On a $13.4B fortune, that implies lifetime giving of less than $134M. 177 of the 400 share this score and 206 score higher.
For scale: under 1% of a $50,000 household income would be under $500.
Others in Healthcare
- Thomas Frist, Jr. & family: 1–5% · $33.6B
- Charlie Mills: Under 1% · $11.0B
- Patrick Soon-Shiong: 1–5% · $10.3B
- Li Ge: Under 1% · $10.1B
- Carl Cook: Under 1% · $8.8B
- Ronda Stryker: 5–10% · $7.1B
Others in Florida
- Jeff Bezos: 1–5% · $378B
- Larry Ellison: Under 1% · $204B
- Thomas Peterffy: Under 1% · $107B
- Ken Griffin: 4.3% · $60.5B
- David Tepper: 1–5% · $28.5B
- Stephen Ross: 1–5% · $21.5B
Questions
How much has Robert Duggan given to charity?
Forbes scores Robert Duggan 1 of 5 for philanthropy, meaning lifetime giving of under 1% of net worth, less than $134M on a $13.4B fortune.
What is Robert Duggan's net worth?
Forbes estimates $13.4B as of September 2026, ranking #96 on the Forbes 400.
What is Robert Duggan's GiveRate?
Under 1%. GiveRate is lifetime giving as a share of wealth, built from published Forbes figures. See giverate.org/methods/ for the method.
GiveRate is an estimate built only from the published figures above. Wealth and giving totals are themselves estimates. See methods. Spot an error? Request a correction. See all Forbes 400 (Sept. 2026) · Open in the interactive rankings · Calculate your own GiveRate